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Nb
Noun
a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
synonym
atomic number 41
niobium
holo substance
columbite
niobite
hypernym
metal
metallic element
hyponym
columbium
Nb vs atomic number 41
Nb vs columbium
Nb vs metal
Nb vs metallic element
Nb vs niobium
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